Iron and copper in Michigan's economy : 6th annual conference, Michigan Natural Resource Council : papers and discussions presented on October 25, 1961, Jack Tar Hotel, Lansing, Mich.

Iron and copper in Michigan's economy : 6th annual conference, Michigan Natural Resource Council : papers and discussions presented on October 25, 1961, Jack Tar Hotel, Lansing, Mich.

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Language:English
Format: Book E-Resource

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